Home / 163,334,220.30-245,001,330.45-126,345,926.70

Finding the Fourth Proportional to 163,334,220.30, 245,001,330.45 and 126,345,926.70

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Solution

The fourth proportional to 163,334,220.30, 245,001,330.45 and 126,345,926.70 is: 189,518,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,334,220.30 : 245,001,330.45 = 126,345,926.70 : x
  2. Step 2: Convert to fraction form
    163,334,220.30/245,001,330.45 = 126,345,926.70/x
  3. Step 3: Cross multiply
    163,334,220.30x = 245,001,330.45 × 126,345,926.70
  4. Step 4: Simplify right side
    163,334,220.30x = 30,954,920,138,438,176
  5. Step 5: Solve for x
    x = 30,954,920,138,438,176/163,334,220.30
  6. Step 6: Final answer
    x = 189,518,890.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.